<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头部 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="vue picture" />
      </div>
      <!-- 表单主题 -->
      <el-form ref="loginReset" class="login_form" :model="loginForm" :rules="loginFromRules">
        <el-form-item prop="username">
          <el-input prefix-icon="iconfont icon-user" v-model="loginForm.username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input prefix-icon="iconfont icon-3702mima" v-model="loginForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      loginForm: {
        username: "admin",
        password: "123456",
      },
      loginFromRules:{
          username: [
            { required: true, message: '请输入用户名称', trigger: 'blur' },
            { min: 4, max: 9, message: '长度在 4到 9个字符', trigger: 'blur' }
          ],
          password: [
            { required: true, message: '请输入登陆密码', trigger: 'blur' },
            { min: 3, max: 16, message: '长度在 3 到 5 个字符', trigger: 'blur' }
          ],
      },
    };
  },
  methods:{
      resetForm:function(){
          this.$refs.loginReset.resetFields()
      },
      login:function(){
          this.$refs.loginReset.validate(async val=>{
              if(!val) return
              const {data:res} = await this.$http.post('login',this.loginForm)
              if(res.meta.status!=200) return this.$message.error('falied')
              this.$message.success('success!')
              window.sessionStorage.setItem('token',res.data.token)
              this.$router.push('/home')
          })
      }
  }
};
</script>
<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  height: 300px;
  width: 450px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #fff;
    border-radius: 50%;
    padding: 10px;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 10px #bbb;
    img {
      height: 100%;
      width: 100%;
      border-radius: 50%;
      background-color: #ddd;
    }
  }
}
.login_form {
  position: absolute;
  bottom: 0px;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
